The Mens Mammut Ayako 4S Jacket is a 3 in 1 jacket that has two warm jackets that are integrated and uses Gore tex technology to make them waterproof and breathable and can be worn separately to give you total flexibility and warmth when you are heading out walking or mountain hiking.

Ideal for winter mountain hiking, the AYAKA 4-S is a 3 in 1 jacket which is suitable to face extreme climate conditions thanks to excellent technicality. Composed of a Gore-Tex ® 2 layer membrane, it represents a sure barrier against moisture and wind while being very breathable.

Three-in-one jacket: Warm double-jacket with integrated Fiberfill inner jacket which can also be worn separately

Detachable hood that stowes away in the collar

1 chest pocket

Pre-shaped sleeves with Velcro cuffs

Underarm zip for additional ventilation

Drawcord hem, adjustable using one hand

2 hand pockets with zip

Also, its front 2-way zip with flap and underarm ventilation system provide an excellent aeration. Comfortable and warm, it has an integrated inner Fiberfill jacket which can be worn separately. Two jackets for three possible combinations!